package com.wf.day_0618.test1.entity;

/**
 * @author mpk
 * @since 2024/6/18 18:08:23
 */
public class Calculator {


    public double add(double a, double b)
    {
        return a + b;
    }
    public double sub(double a, double b)
    {
        return a - b;
    }
    public double mul(double a, double b)
    {
        return a * b;
    }
    public double div(double a, double b)
    {
        return a / b;
    }
}
